3-18
DSP56367
MOTOROLA
Specifications
External Memory Expansion Port (Port A)
105
RD assertion to input data valid
t
OE
(WS + 0.25)
×
T
C
−
7.0
[WS
≥
1]
—
3.4
ns
106
RD deassertion to data not valid (data hold time)
t
OHZ
0.0
—
ns
107
Address valid to WR deassertion
2
t
AW
(WS + 0.75)
×
T
C
−
4.0
[WS
≥
1]
10.6
—
ns
108
Data valid to WR deassertion (data setup time)
t
DS
(t
DW
)
(WS
−
0.25)
×
T
C
−
3.0
[WS
≥
1]
3.2
—
ns
109
Data hold time from WR deassertion
t
DH
0.25
×
T
C
−
2.0
[1
≤
WS
≤
3]
0.1
—
ns
1.25
×
T
C
−
2.0
[4
≤
WS
≤
7]
8.4
—
ns
2.25
×
T
C
−
2.0
[WS
≥
8]
16.7
—
ns
110
WR assertion to data active
—
0.75
×
T
C
−
3.7
[WS = 1]
2.5
—
ns
0.25
×
T
C
−
3.7
[2
≤
WS
≤
3]
0.0
—
−
0.25
×
T
C
−
3.7
[WS
≥
4]
0.0
—
111
WR deassertion to data high impedance
—
0.25
×
T
C
+ 0.2
[1
≤
WS
≤
3]
—
2.3
ns
1.25
×
T
C
+ 0.2
[4
≤
WS
≤
7]
—
10.6
2.25
×
T
C
+ 0.2
[WS
≥
8]
—
18.9
112
Previous RD deassertion to data active (write)
—
1.25
×
T
C
−
4.0
[1
≤
WS
≤
3]
6.4
—
ns
2.25
×
T
C
−
4.0
[4
≤
WS
≤
7]
14.7
—
3.25
×
T
C
−
4.0
[WS
≥
8]
23.1
—
Table 3-8 SRAM Read and Write Accesses (Continued)
No.
Characteristics
Symbol
Expression
1
Min
Max
Uni
t
Summary of Contents for DSP56367
Page 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Page 22: ...xxii MOTOROLA List of Figures Figure Number Title Page Number ...
Page 26: ...xxvi MOTOROLA List of Tables Table Number Title Page Number ...
Page 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Page 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Page 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Page 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
Page 390: ...A 16 DSP56367 MOTOROLA Bootstrap ROM Contents ...
Page 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Page 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Page 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Page 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Page 522: ...Index 6 MOTOROLA Index ...
Page 523: ......